/Engine/Source/Runtime/Engine/Classes/Engine/AssetManager.h
Changes the management rules for a specific asset, this overrides the type rules. If passed in Rules is default, delete override
virtual void SetPrimaryAssetRules ( [FPrimaryAssetId](API\Runtime\CoreUObject\UObject\FPrimaryAssetId) PrimaryAssetId, const [FPrimaryAssetRules](API\Runtime\Engine\Engine\FPrimaryAssetRules) & Rules )